Ink-fountain for printing-presses.



No. 707,525. Patented Aug. 26, I902. N. NILSON.

INK FOUNTAIN FOR PRINTING PRESSES.

(Application filed Apt. 10 1901.)

-(No Model.)

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NILS NILSON, OF SAN FRANCISCO, CALIFORNIA.

INK-FOUNTAIN FOR PRlNTiNG-P-RESSES.

SPECIFICATION forming part of LettersPatent No. 707,625, dated August26, 1902.

Application filed April 10, 1901.

To all whont it may concern:

Be it known that I, NILs NILSON, a citizen of the United States,residing in the city and county of San Francisco, State of California,have invented certain new and useful Improvements in Ink-Fountains forPrinting- Presses; and I do hereby declare the following to be a full,clear, and exact description of the same.

My invention relates to that class of inkfountains for printing-pressesin which an ink-containin g receptacle provided with suit abledischarges is so disposed relatively to the printing-press as to supplyink to the ink receiving or distributing devices of the press. Though myinvention is applicable to various presses, it is especially designedfor use in connection with such presses as employ a dis tributing-rollwhich has a movement to and from contact with the surface to be inked,such as that printing-press known as the Rotary Neostyle Mimeograph, andthe object of my invention is to provide an ink-fountain in which thesupply of ink delivered from it is controllable according to thecharacter of the ink employed, said supply being automatic, its deliveryguarded, controlled, and well distributed, and the whole device soconstructed and mounted as to remain in proper position relatively tothe movable distributing press-roller which it supplies.

My invention consists in the novel constructions, arrangements, andcombinations of parts, which I shall hereinafter fully describe andclaim.

Referring to the accompanying drawings, Figure 1 is a plan of myink-fountain, a portion of the valve-plate E being broken away to exposethe discharge-holes K in the bottom of the ink-receptacle. Fig. 2 is anend elevation of the device, showing it in connection with theink-distributing roller R. Fig. 3 is a cross-section on the line w y ofFig. 1, the Valve-plate being shown partly raised,the handle C beingthrown over to its locked position with pin 0.

D represents the ink-containing receptacle, provided in its bottom withdischarge-holes K. Within the receptacle D is hinged, as shown in Fig.3, the valve-plate E, which is adapted to lie down fiat in the bottom ofthe Serial No. 55,265. (No model.)

receptacle and to be raised up therefrom at an inclination to controlthe supply of ink to the discharges, as I shall presently describe. Theunder-surface of the valve-plate is provided with a washer-pad F, andthrough both plate and pad are made relief-openings G. (Shown clearly inFig. 1.) The movement of the hinged valve-plate E is effected by thehandle C, and the inclination of the plate is adjustably fixed ordetermined by a series of small holes 0, Fig. 1, made in the handle C,and which are adapted to fit over a pin 0, Fig. 3, in the top of theink-receptacle D, so that the plate E may be raised and locked atdifferent inclinations. Pivoted by swinging linksJ to the ends of theink-receptacle D is the ink-spreading roller II.. The downward swing ofthis roller is limited by the studj on the receptacle end, Fig.2, andwith which the link J of the roller comes in contact. There is a studjon each end of receptacle D. Secured to theink-receptacle on thesideopposite'to the spreading-roller H is a downwardlyextending guard orsplasher plate L.

A represents the hangers by which the inkfountain is suspended. Thesehangers are provided with hooks a or similar devices, which are adaptedto engage with any suitable part of the frame (unnecessary herein toshow) of the printing-press. These hangers are connected by a cross-barB, Fig. '1. The inkfountain is suspended both adjustably and yieldinglyfrom these hangers by means of screw-studs N, which screw down into thearched ends of the ink-receptacle D and are headed freely through thehangers. By means of these screwstuds the height at which the fountainis suspended can be regulated to define its proper position relativelyto the roller R of the printing-press. Springs M, Fig. 2, encircling thescrew-studs N, lie between the arched ends of the ink-recepta ole andthe ends of the hangers A and permit the receptacle to yield upwardlyunder the pressure of the movable press distributing-roller R if bychance the relative adjustment of thetwo be inaccurate and the roller Rshould come in contact with the inkreceptacle, thus avoiding injury toeither. The movement of the roller R to and from the ink-receptacle, butwithout touching it,

is indicated bya comparison of Figs. 2 and Also by such comparison, ifthe roller R be supposed to have touched the ink-recepiacle, the upwardyielding of the receptacle is indicated. The roller B may represent anyink-receiving device of the printing-press, and its upward movement, asindicated, is sufficient to show the application of my device to thestyle of press heretofore mentioned.

The operation of the ink-fountain is as follows: The hangers A must besupposed to be connected with a suitable portion of the press-frame andbe stationary though readily applied and removed, as indicated by theirhooks a. The whole device is adj ustably and yieldingly suspended inposition relatively to the distributing-roller R, as shown in Figs. 2and 3that is to say, knowing the extent of the upward movement of thepress-roller R the screw-studs N are so set as to suspend theink-receptacle D at such a height that the roller R at the limit of itsupward movement will not touch or wipe the under surface of thereceptacle, but, as shown in Fig. 3, will approach thereto only closelyenough to contact with and to receive the globules or drops of inkprojecting from the discharges K. By screwing studs N up or down theproper position of the fountain can be had in every case; but to provideagainst injury of the parts, if by reason of an inaccurate adjustmentthe roller B should come in contact with the ink-receptacle, the springM will permit the latter to yield under the contact. Inkis supplied toreceptacle D, and when the "alve-plate E is fiat on the bottom of thereceptacle the ink-discharges K are closed; but in practice if thevalve-plate is allowed to lie loosely on the bottom a small supply ofink will pass through, With thicker ink the valve-plate is lifted up atan inclination and there held by its handle 0 engaging the pin 0. If theplate be raised to a greaterinclination, still thicker ink can be fed.The apertures G in plate E prevent suction and also prevent the plate inlifting from rising and tending to spill the ink out of the receptacleD. The roller H, being freely hung, remains in contact with the roller Rat all times, and being limited in its downward swing by' the stud 7' itcan never swing so low as to be in the way of or obstruct said roller R.The object of roller II is to spread the ink on roller R, preventingdrops or larger masses by spreading them out. The guard-plate L insuresagainst splashing of the ink by roller R over on that side.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is

1. In an ink-fountain for printing-presses, the combination of theink-receptacle having discharges in its bottom, the hinged valved platein the bottom of the receptacle and controlling the supply of ink to thedischarges, the handle by which the valve-plate is lifted to tozcas aninclination with the bottom, and means for adj ustably locking saidhandle to hold the valve-plate at different inclinations.

2. In an ink-fountain for printing-presses, the combination of theink-receptacle having discharges in its bottom, the freely-swingingspreading-roller carried by the ink-receptacle on one side and theguard-plate depending from said receptacle on the other side.

3. In an ink-fountain for printing-presses, the combination of theink-receptacle having discharges in its bottom, the adjustablevalveplate within the ink-receptacle for controlling the supply of inkto the discharges, the freely-swinging spreading-roller carried by theink-receptacle on one side and the guardplate depending from saidreceptacle on the other side.

4. In an ink-fountain for printing-presses, the combination of theink-receptacle having suitable discharges, fixed hangers, screwstuds adjustably fitted to the receptacle and passing freely through the hangers,and

springs encircling the screw-studs whereby the receptacle is adjustablyand yieldingly suspended.

5. In an ink-fountain for printing-presses, the combination of theink-receptacle having discharges, the freely-swinging spreadingrollercarried by the receptacle on one side, the guard-plate depending fromthe recepta cle on the other side, fixed hangers, and adjustablesuspending devices connecting the receptacle with the hangers, forregulating the height of the receptacle relatively to the part to beinked.

6. In an ink-fountain for printing-presses, the combination of theink-receptacle having discharges, the freely-swinging spreadingrollercarried by the receptacle on one side, the guard-plate depending fromthe receptacle on the other side, fixed hangers, and spring-controlledadjustable suspending devices yieldingly connecting the receptacle withthe hangers, for regulating the height of the receptacle relatively tothe part to be inked.

7. In an ink-fountain for printing-presses, the combination of theink-receptacle having dischargesin its bottom, the adjustable valveplatewithin said receptacle for controlling the supply of ink to thedischarges, the spreading-roller swung from one side of theink-receptacle, the guard-plate depending from its other side, fixedhangers, and adjustable suspending devices connecting the ink-receptaclewith the hangers for regulating the height of the receptacle relativelyto the part to be inked.

8. In an ink-fountain for printing-presses, the combination of theink-receptacle having discharges in its bottom, the adjustablevalveplate Within said receptacle for controlling the supply of ink tothe discharges, the spreading-roller swung from one side of theink-receptacle, the guard-plate depending from its other side, fixedhangers, and spring-controlled adjustable suspending devices yieldnameto this specification in the presence of ingly connecting theink-receptacle with the two subscribing witnesses. hangers forregulating the height of the receptacle relatively to'the part to beinked. NILS NILSON 5 In Witness whereof I have hereunto set my Inpresence of-- hand. A. D. SHEPARD,

In testimony whereof I have signed my J. T. MINSON.

